*{
    box-sizing: border-box;
}
.nav-box{
    width: 100%;
    height: 42px;
    background: #28292b;
}
.base{
    width: 100%;
    background: #ededed;
    overflow: hidden;
    padding-bottom: 30px;
    min-height: 620px;
}
.base>div{
    width: 1220px;
    border: 1px solid #dbdbdb;
    background: #ffffff;
    border-radius: 10px;
    margin: 0 auto;
    margin-top: 26px;
    overflow: hidden;
    display: flex;
}
.base .banner{
    height: 554px;
} 
.base .banner img{
    width: 1220px;
    height: 554px;
    display: flex;
}
#buttons{
    position: absolute;
    left: 50%;
    top: 580px;
}
#buttons>span{
    margin: 10px;
}
.base .choiceness{
    height: 200px;
}
.base .choiceness img{
    width: 305px;
    height: 200px;
    display: flex;
}
.base .commodity,.BBS{
    /* height: 494px; */
    flex-direction: column;
}
.bpt{
    width: 1220px;
    height: 62px;
    border-bottom: 1px solid #dbdbdb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.bpt>span{
    height: 62px;
    font-size: 18px;
    font-weight: 700;
    line-height: 26px;
    display: flex;
    align-items: center;
    margin: 0 26px;
}
.commodity-top>span>span{
    width: 26px;
    height: 26px;
    border: 1px solid #e1e1e1;
    border-radius: 50%;
    margin-left: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.bpb{
    background: #fafafa;
    display: flex;
    flex-wrap: wrap;
}
.bpb>div{
    border: 1px solid #dbdbdb;
}
.bpb div{
    width: 304.33px;
    height: 434px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.bpb>div{
    border-right: none;
    border-top: none;
}
.bpb div a{
    margin: 40px 0 16px;
}
.bpb div h2{
    font-size: 14px;
    font-weight: 800;
    color: #333333;
}
.BBS .bpb div span:nth-of-type(1){
    color: #999999;
    font-size: 11px;
    margin: 18px 0 58px;
}
.bpb div span:nth-of-type(2){
    color: #d44d44;
    font-size: 14px;
    font-weight: 700;
}
.base .bp{
    flex-direction: column;
}

.bpb2 div:nth-child(1){
    width: 609px;
    height: 434px;
}
.bpb2 div:nth-child(1)>a{
    width: 100%;
    height: 100%;
    margin: 0;
}
.bpb2 div:nth-child(1)>a>img{
    width: 100%;
    height: 100%;
}
.BBS .BBS-bottom>div{
    height: 340px;
}
.BBS .BBS-bottom .alone{
    padding: 0 32px;
    align-items: flex-start;
}
.BBS .BBS-bottom .alone .hd{
    width: 244px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.BBS-bottom .alone .hd{
    margin: 15px 0;
}
.BBS-bottom .alone>span:nth-of-type(2){
    font-size: 12px;
}
.alone>span:nth-of-type(2) i{
    font-size: 12px;
}
.BBS .bpt>span:nth-child(2){
    width: 104px;
    height: 36px;
    border: 1px solid #e1e1e1;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.BBS .bpt>span:nth-child(2) a{
    font-size: 12px;
    color: #666666;

}
.BBS .bpt>span:nth-child(2) i{
    font-size: 8px;
}

.floor ul{
    width: 150px;
    margin:10px;
    padding: 15px;
    font-size: 14px;
    font-weight: 700;
    background:#dbdbdb;
    border-radius: 10px;
    position: fixed;
    left: 5px;
    top:200px;
}
.floor ul li{
    line-height: 55px;
    text-align: center;
    border-radius: 10px;
    /* border: solid 1px #999999; */
}
.floor ul li:active{
    background: #ededed;
    color: #666666;
}

























